﻿/**
 * MetroFramework - Modern UI for WinForms
 * 
 * The MIT License (MIT)
 * Copyright (c) 2011 Sven Walter, http://github.com/viperneo
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of 
 * this software and associated documentation files (the "Software"), to deal in the 
 * Software without restriction, including without limitation the rights to use, copy, 
 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
 * and to permit persons to whom the Software is furnished to do so, subject to the 
 * following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Drawing.Text;

namespace MetroFramework.Drawing
{
    internal sealed class MetroBackBuffer
    {
        private Bitmap backBuffer;

        public MetroBackBuffer(Size bufferSize)
        {
            backBuffer = new Bitmap(bufferSize.Width, bufferSize.Height, PixelFormat.Format32bppArgb);
        }

        public Graphics CreateGraphics()
        {
            Graphics g = Graphics.FromImage(backBuffer);

            g.CompositingMode = CompositingMode.SourceOver;
            g.CompositingQuality = CompositingQuality.HighQuality;
            g.InterpolationMode = InterpolationMode.High;
            g.PixelOffsetMode = PixelOffsetMode.HighQuality;
            g.SmoothingMode = SmoothingMode.AntiAlias;

            g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;

            return g;
        }

        public void Draw(Graphics g)
        {
            g.DrawImageUnscaled(backBuffer, Point.Empty);
        }
    }
}
